81385845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{235901}}^1$

素因数の和:235932

約数の個数: 16

約数和(自身を含む): 135879552

約数和(自身を除く): 54493707

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 235901, 707703, 1179505, 3538515, 5425723, 16277169, 27128615, 81385845]

約数ペア:

[(1, 81385845), (3, 27128615), (5, 16277169), (15, 5425723), (23, 3538515), (69, 1179505), (115, 707703), (345, 235901)]